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PWM replacing PM25LD010 on Dell XPS 18 issue pluggled in not charging

Hi there i found out my dell xps 18 is not charging due PWM faulty to send right current at the battery to charge and due the structure of the motherboard which from ac adapter current pass through the motherboard and the battery which it does not power on with out it may someone who is technician or have schematic of the board confirm that in this case is the chip PM25LD010 (BIOS) that act as a PWM and supply the right current at the charge system, was thinking to replace it and see what happen but of course will need to programmed first.

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